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-rw-r--r--src/device/mod.rs3
-rw-r--r--src/device/storage.rs35
-rw-r--r--src/lib.rs2
3 files changed, 37 insertions, 3 deletions
diff --git a/src/device/mod.rs b/src/device/mod.rs
index 8b7f1c6..16d6b11 100644
--- a/src/device/mod.rs
+++ b/src/device/mod.rs
@@ -25,7 +25,8 @@ use crate::util::{
pub use pro::Pro;
pub use storage::{
- SdCardData, Storage, StorageProductionInfo, StorageStatus, VolumeMode, VolumeStatus,
+ OperationStatus, SdCardData, Storage, StorageProductionInfo, StorageStatus, VolumeMode,
+ VolumeStatus,
};
pub use wrapper::DeviceWrapper;
diff --git a/src/device/storage.rs b/src/device/storage.rs
index a2c598b..8d45763 100644
--- a/src/device/storage.rs
+++ b/src/device/storage.rs
@@ -1,6 +1,7 @@
// Copyright (C) 2019-2020 Robin Krahl <robin.krahl@ireas.org>
// SPDX-License-Identifier: MIT
+use std::convert::TryFrom as _;
use std::fmt;
use std::ops;
@@ -9,7 +10,7 @@ use nitrokey_sys;
use crate::device::{Device, FirmwareVersion, Model, Status};
use crate::error::Error;
use crate::otp::GenerateOtp;
-use crate::util::{get_command_result, get_cstring};
+use crate::util::{get_command_result, get_cstring, get_last_error};
/// A Nitrokey Storage device without user or admin authentication.
///
@@ -142,6 +143,20 @@ pub struct StorageStatus {
pub stick_initialized: bool,
}
+/// The progress of a background operation on the Nitrokey.
+///
+/// Some commands may start a background operation during which no other commands can be executed.
+/// This enum stores the status of a background operation: Ongoing with a relative progress (up to
+/// 100), or idle, i. e. no background operation has been started or the last one has been
+/// finished.
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub enum OperationStatus {
+ /// A background operation with its progress value (less than or equal to 100).
+ Ongoing(u8),
+ /// No backgrund operation.
+ Idle,
+}
+
impl<'a> Storage<'a> {
pub(crate) fn new(manager: &'a mut crate::Manager) -> Storage<'a> {
Storage {
@@ -680,6 +695,24 @@ impl<'a> Storage<'a> {
get_command_result(unsafe { nitrokey_sys::NK_wink() })
}
+ /// Returns the status of an ongoing background operation on the Nitrokey Storage.
+ ///
+ /// Some commands may start a background operation during which no other commands can be
+ /// executed. This method can be used to check whether such an operation is ongoing.
+ ///
+ /// Currently, this is only used by the `fill_sd_card` method.
+ pub fn get_operation_status(&self) -> Result<OperationStatus, Error> {
+ let status = unsafe { nitrokey_sys::NK_get_progress_bar_value() };
+ match status {
+ 0..=100 => u8::try_from(status)
+ .map(OperationStatus::Ongoing)
+ .map_err(|_| Error::UnexpectedError),
+ -1 => Ok(OperationStatus::Idle),
+ -2 => Err(get_last_error()),
+ _ => Err(Error::UnexpectedError),
+ }
+ }
+
/// Exports the firmware to the unencrypted volume.
///
/// This command requires the admin PIN. The unencrypted volume must be in read-write mode
diff --git a/src/lib.rs b/src/lib.rs
index 41c99c5..c6c3ff5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -126,7 +126,7 @@ use nitrokey_sys;
pub use crate::auth::{Admin, Authenticate, User};
pub use crate::config::Config;
pub use crate::device::{
- Device, DeviceInfo, DeviceWrapper, Model, Pro, SdCardData, Status, Storage,
+ Device, DeviceInfo, DeviceWrapper, Model, OperationStatus, Pro, SdCardData, Status, Storage,
StorageProductionInfo, StorageStatus, VolumeMode, VolumeStatus,
};
pub use crate::error::{CommandError, CommunicationError, Error, LibraryError};